Living species are defined in terms of:
A. morphological variation
B. sexual dimorphism
C. reproductive isolation
D. arbitrary criteria
C. reproductive isolation
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According to the Refugees lecture, the United Nations plays a very important role in managing international refugee crises
a. true b. false
If we want to discover the traits of a character, we should look at:
a. the plot b. what the character says about him- or herself c. what the character does d. a, b, and c e. b and c only
DNA analysis can aid scientists in __________
a. establishing how bones arrived at a site b. determining the repetitive activities that individuals performed before they died c. advancing osteology d. investigating relationships among population groups
The H. erectus browridge, or __________, is quite prominent
a. angular torus b. sagital keel c. metopic keel d. supraorbital torus